What is CVE-2023-26360?

CVE-2023-26360 is a high-severity vulnerability in Adobe Coldfusion, classified under Improper Access Control. CVSS score: 8.6/10. Published 2023-03-23.

How severe is CVE-2023-26360?

High severity. CVSS v3 base score is 8.6 out of 10.

Is CVE-2023-26360 known to be exploited?

Yes. CVE-2023-26360 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-03-15), indicating it is being actively exploited. 26 public proof-of-concept repositories are indexed.

Vulnerability in Adobe Coldfusion

CVE-2023-26360

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by an Improper Access Control vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Published 2023-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.973 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.973 · newest: 0.973 · change: 0.000

Affected products

Adobe Coldfusion — versions unspecified, 2018, 2021

Weakness classification (CWE)

CWE-284 — Improper Access Control

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-03-15. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-04-05.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

helpx.adobe.com/security/products/coldfusion/apsb23-25.html (Patch, Vendor Advisory)
packetstormsecurity.com/files/172079/Adobe-ColdFusion-Unauthenticated-Remote-Co… (Exploit, VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Third Party Advisory, US Government Resource)

Frequently asked questions

What is CVE-2023-26360?: CVE-2023-26360 is a high-severity vulnerability in Adobe Coldfusion, classified under Improper Access Control. CVSS score: 8.6/10. Published 2023-03-23.
How severe is CVE-2023-26360?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2023-26360 known to be exploited?: Yes. CVE-2023-26360 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-03-15), indicating it is being actively exploited. 26 public proof-of-concept repositories are indexed.